[INFO] fetching crate mm_subscribe 0.1.1...
[INFO] testing mm_subscribe-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mm_subscribe 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mm_subscribe 0.1.1
[INFO] finished tweaking crates.io crate mm_subscribe 0.1.1
[INFO] tweaked toml for crates.io crate mm_subscribe 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mm_subscribe 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mm_subscribe 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0caba66790b29c5b69c3fd67d3f8b6f7a5493f404853456bb6fc7c44d0bd1ab8
[INFO] running `Command { std: "docker" "start" "-a" "0caba66790b29c5b69c3fd67d3f8b6f7a5493f404853456bb6fc7c44d0bd1ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0caba66790b29c5b69c3fd67d3f8b6f7a5493f404853456bb6fc7c44d0bd1ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0caba66790b29c5b69c3fd67d3f8b6f7a5493f404853456bb6fc7c44d0bd1ab8", kill_on_drop: false }`
[INFO] [stdout] 0caba66790b29c5b69c3fd67d3f8b6f7a5493f404853456bb6fc7c44d0bd1ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da990a51e8e176d21b01403f6b73a1eb6d3fe347f4ef7c7152e685fbbcbf1c25
[INFO] running `Command { std: "docker" "start" "-a" "da990a51e8e176d21b01403f6b73a1eb6d3fe347f4ef7c7152e685fbbcbf1c25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling minimonkey v0.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling mm_subscribe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Duration::from_secs` that must be used
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Duration::from_secs(1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = Duration::from_secs(1);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "da990a51e8e176d21b01403f6b73a1eb6d3fe347f4ef7c7152e685fbbcbf1c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da990a51e8e176d21b01403f6b73a1eb6d3fe347f4ef7c7152e685fbbcbf1c25", kill_on_drop: false }`
[INFO] [stdout] da990a51e8e176d21b01403f6b73a1eb6d3fe347f4ef7c7152e685fbbcbf1c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8e2938a21d1dbca22c496cf52954c84089922fdfd9ee3fedfcd00a4739e5036
[INFO] running `Command { std: "docker" "start" "-a" "d8e2938a21d1dbca22c496cf52954c84089922fdfd9ee3fedfcd00a4739e5036", kill_on_drop: false }`
[INFO] [stderr]    Compiling mm_subscribe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Duration::from_secs` that must be used
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Duration::from_secs(1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = Duration::from_secs(1);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d8e2938a21d1dbca22c496cf52954c84089922fdfd9ee3fedfcd00a4739e5036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e2938a21d1dbca22c496cf52954c84089922fdfd9ee3fedfcd00a4739e5036", kill_on_drop: false }`
[INFO] [stdout] d8e2938a21d1dbca22c496cf52954c84089922fdfd9ee3fedfcd00a4739e5036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a161336f2bd46bae699004a84c5aacd5bcd6bcd47950fd46b2ccefc2224ba7a4
[INFO] running `Command { std: "docker" "start" "-a" "a161336f2bd46bae699004a84c5aacd5bcd6bcd47950fd46b2ccefc2224ba7a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Duration::from_secs` that must be used
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Duration::from_secs(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let _ = Duration::from_secs(1);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mm_subscribe` (bin "mm_subscribe" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mm_subscribe-dfa1c2c8708cf901)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a161336f2bd46bae699004a84c5aacd5bcd6bcd47950fd46b2ccefc2224ba7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a161336f2bd46bae699004a84c5aacd5bcd6bcd47950fd46b2ccefc2224ba7a4", kill_on_drop: false }`
[INFO] [stdout] a161336f2bd46bae699004a84c5aacd5bcd6bcd47950fd46b2ccefc2224ba7a4